Home / 66,107.08-91,228.44-35,892.68

Finding the Fourth Proportional to 66,107.08, 91,228.44 and 35,892.68

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Solution

The fourth proportional to 66,107.08, 91,228.44 and 35,892.68 is: 49,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,107.08 : 91,228.44 = 35,892.68 : x
  2. Step 2: Convert to fraction form
    66,107.08/91,228.44 = 35,892.68/x
  3. Step 3: Cross multiply
    66,107.08x = 91,228.44 × 35,892.68
  4. Step 4: Simplify right side
    66,107.08x = 3,274,433,203.82
  5. Step 5: Solve for x
    x = 3,274,433,203.82/66,107.08
  6. Step 6: Final answer
    x = 49,532.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.